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钢筋再生混凝土结构研究进展及其工程应用 被引量:30

Research progress and engineering application of reinforced recycled aggregate concrete structure
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摘要 再生混凝土绿色、环保,是实现建筑垃圾资源化再利用的重要途径。为了进一步推动钢筋再生混凝土结构的研究发展与工程应用,分析了钢筋再生混凝土梁、板、柱、剪力墙、梁-柱节点及框架结构的受力性能、抗震性能、抗火性能、氯离子侵蚀后性能、徐变及抗冻性能的研究现状及存在的不足,列举了典型工程案例,指出了需要深化研究的问题。研究表明,钢筋再生混凝土梁、板、柱、剪力墙、梁-柱节点及框架结构的上述多数性能较同类钢筋普通混凝土构件(结构)的均有不同程度的劣化,但可通过合理设计实现其与普通混凝土相当甚至更好的性能,可用于实际工程中。 Recycled concrete is green and environmentally freindly, it is thus used as an important material to realize the reuse of construction waste. In order to vigorously promote the research and engineering application of reinforced recycled concrete structures, the research status of reinforced recycled concrete beams, slabs, columns, shear walls, beam-column joints and frame structures in terms of their mechanical performance, seismic performance, fire resistance, performance after chloride ion erosion, creep performance and frost resistance were analyzed alongside their deficiencies. Some typical engineering cases were chosen to indicate the problems that require further investigation. It shows that even if most of the aforementioned properties of reinforced recycled concrete beams, slabs, columns, shear walls, beam-column joints and frame structures are inferior to those of similar reinforced ordinary concrete components(structures), reinforced recycled concrete with reasonable design can achieve performance equivalent to or better than that of ordinary concrete, and can be used in practical engineering.
作者 曹万林 肖建庄 叶涛萍 李六连 CAO Wanlin;XIAO Jianzhuang;YE Taoping;LI Liulian(College of Architecture and Civil Engineering,Beijing University of Technology,Beijing 100124,China;College of Civil Engineering,Tongji University,Shanghai 200092,China;The First Construction Engineering Company Ltd.of China Construction Second Engineering Bureau,Beijing 100176,China)
出处 《建筑结构学报》 EI CAS CSCD 北大核心 2020年第12期1-16,27,共17页 Journal of Building Structures
基金 国家杰出青年科学基金项目(51325802) 国家自然科学基金项目(51878015)
关键词 钢筋再生混凝土 受力性能 抗震性能 长期工作性能 研究进展 工程应用 reinforced recycled concrete mechanical property seismic performance long term performance research progress engineering application
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